{"product_id":"red-devil-angelfish-pterophyllum-scalare","title":"Red Devil koi Angelfish (Pterophyllum scalare)","description":"\u003ch3 data-end=\"136\" data-start=\"82\" data-section-id=\"15ayq1c\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"136\" data-start=\"86\"\u003eRed Devil Koi Angelfish (Pterophyllum scalare)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"484\" data-start=\"138\"\u003eThe \u003cstrong data-end=\"169\" data-start=\"142\"\u003eRed Devil Koi Angelfish\u003c\/strong\u003e is a stunning designer variant of the classic angelfish, combining the elegance of \u003cem data-end=\"275\" data-start=\"253\"\u003ePterophyllum scalare\u003c\/em\u003e with intense, fiery red and orange koi-style patterning. Each fish is completely unique, with bold splashes of red, white, and black that resemble high-end koi—making every specimen a one-of-a-kind showpiece.\u003c\/p\u003e\n\u003cp data-end=\"747\" data-start=\"486\"\u003eWith their tall, triangular fins and graceful movement, these angelfish command attention in any aquarium. The “Red Devil” line is especially prized for its heavy red coverage and vibrant coloration, which continues to develop and intensify as the fish matures.\u003c\/p\u003e\n\u003cp data-end=\"1006\" data-start=\"749\"\u003eOriginating from selectively bred Amazonian angelfish strains, this variety thrives in well-maintained freshwater aquariums with stable water conditions. They are semi-peaceful cichlids, best kept in carefully selected communities or species-focused setups.\u003c\/p\u003e\n\u003chr data-end=\"1011\" data-start=\"1008\"\u003e\n\u003ch3 data-end=\"1038\" data-start=\"1013\" data-section-id=\"18qwdve\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1038\" data-start=\"1017\"\u003eTank Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1253\" data-start=\"1039\"\u003e\n\u003cli data-end=\"1101\" data-start=\"1039\" data-section-id=\"1h45hz8\"\u003e\n\u003cstrong data-end=\"1063\" data-start=\"1041\"\u003eMinimum Tank Size:\u003c\/strong\u003e 40 gallons (taller tanks preferred)\u003c\/li\u003e\n\u003cli data-end=\"1130\" data-start=\"1102\" data-section-id=\"12u9f1y\"\u003e\n\u003cstrong data-end=\"1120\" data-start=\"1104\"\u003eTemperature:\u003c\/strong\u003e 76–84°F\u003c\/li\u003e\n\u003cli data-end=\"1150\" data-start=\"1131\" data-section-id=\"1pwp3r1\"\u003e\n\u003cstrong data-end=\"1140\" data-start=\"1133\"\u003epH:\u003c\/strong\u003e 6.0–7.5\u003c\/li\u003e\n\u003cli data-end=\"1191\" data-start=\"1151\" data-section-id=\"eu6f53\"\u003e\n\u003cstrong data-end=\"1172\" data-start=\"1153\"\u003eWater Hardness:\u003c\/strong\u003e Soft to moderate\u003c\/li\u003e\n\u003cli data-end=\"1253\" data-start=\"1192\" data-section-id=\"13ey8em\"\u003e\n\u003cstrong data-end=\"1208\" data-start=\"1194\"\u003eAquascape:\u003c\/strong\u003e Plants, driftwood, and open swimming space\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1258\" data-start=\"1255\"\u003e\n\u003ch3 data-end=\"1272\" data-start=\"1260\" data-section-id=\"12sdk7u\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1272\" data-start=\"1264\"\u003eDiet\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1322\" data-start=\"1273\"\u003eOmnivorous with a strong preference for protein\u003c\/p\u003e\n\u003cul data-end=\"1450\" data-start=\"1323\"\u003e\n\u003cli data-end=\"1357\" data-start=\"1323\" data-section-id=\"kdc3mi\"\u003eHigh-quality pellets or flakes\u003c\/li\u003e\n\u003cli data-end=\"1401\" data-start=\"1358\" data-section-id=\"1tnpnu7\"\u003eFrozen foods (bloodworms, brine shrimp)\u003c\/li\u003e\n\u003cli data-end=\"1450\" data-start=\"1402\" data-section-id=\"1se3ryk\"\u003eLive foods for optimal growth and coloration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1455\" data-start=\"1452\"\u003e\n\u003ch3 data-end=\"1475\" data-start=\"1457\" data-section-id=\"swpufs\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1475\" data-start=\"1461\"\u003eTank Mates\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1601\" data-start=\"1476\"\u003e\n\u003cli data-end=\"1512\" data-start=\"1476\" data-section-id=\"1h7qobd\"\u003ePeaceful to semi-aggressive fish\u003c\/li\u003e\n\u003cli data-end=\"1559\" data-start=\"1513\" data-section-id=\"1tkje79\"\u003eLarger tetras, peaceful cichlids, gouramis\u003c\/li\u003e\n\u003cli data-end=\"1601\" data-start=\"1560\" data-section-id=\"cp8h8q\"\u003eAvoid fin-nippers and very small fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1606\" data-start=\"1603\"\u003e\n\u003ch3 data-end=\"1637\" data-start=\"1608\" data-section-id=\"1546rao\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1637\" data-start=\"1612\"\u003eWhy We Love This Fish\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1810\" data-start=\"1638\"\u003e\n\u003cli data-end=\"1671\" data-start=\"1638\" data-section-id=\"1wqxa7v\"\u003eHigh-end koi-style patterning\u003c\/li\u003e\n\u003cli data-end=\"1724\" data-start=\"1672\" data-section-id=\"1qv1lx\"\u003eIntense red\/orange coloration (“Red Devil” line)\u003c\/li\u003e\n\u003cli data-end=\"1759\" data-start=\"1725\" data-section-id=\"1qbkffq\"\u003eEach fish is completely unique\u003c\/li\u003e\n\u003cli data-end=\"1810\" data-start=\"1760\" data-section-id=\"y0ie08\"\u003eElegant centerpiece fish for display aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1815\" data-start=\"1812\"\u003e\n\u003cp data-end=\"1999\" data-start=\"1817\"\u003eThe \u003cstrong data-end=\"1848\" data-start=\"1821\"\u003eRed Devil Koi Angelfish\u003c\/strong\u003e is the perfect blend of elegance and bold color—an ideal centerpiece for aquarists looking to elevate their tank with a premium, eye-catching species.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"1.5 inches","offer_id":46052804100292,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true},{"title":"3 - 3.5 inches","offer_id":46071521968324,"sku":null,"price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0563\/5286\/6500\/files\/ChatGPT_Image_Apr_19_2026_11_25_04_PM.png?v=1776655545","url":"https:\/\/www.predatoryfins.com\/products\/red-devil-angelfish-pterophyllum-scalare","provider":"Predatory Fins","version":"1.0","type":"link"}